There's seems to be a nerdy arms race under way over who can propose to their fiancée the most ridiculously networked fashion. Digg's Matt Van Horn, who just live-streamed video of his proposal, is the winner. For now.

Van Horn emailed his sweetie's friends and relatives a Web address on streaming service qik so they could watch his proposal on a San Francisco hill, where he'd arranged to have his girlfriend hiking with a friend. News of the imminent proposal was also spread at the last possible second via Foursquare, Twitter and Facebook, according to Mashable, which has full video of the proceedings (excerpted in the clip above).

It's the most impressive salvo so far in an escalating war of hypernetworked wedding proposals, one befitting the business development director of a social news service. Prior examples: